Climate and monthly weather forecastSasayama, Japan
Climate and monthly weather forecast
Weather in January
January, the same as December, in Sasayama, Japan, is another chilly winter month, with temperature in the range of an average high of 6.4°C (43.5°F) and an average low of 0.3°C (32.5°F). Sasayama experiences its lowest average temperatures in January, reaching a peak of 6.4°C (43.5°F) and a minimum of 0.3°C (32.5°F). Weather in January »Weather in February
The last month of the winter, February, is also a frosty month in Sasayama, Japan, with an average temperature fluctuating between 7.4°C (45.3°F) and 0.7°C (33.3°F). The arrival of February brings an average high-temperature of a still chilly 7.4°C (45.3°F), subtly diverging from January's 6.4°C (43.5°F). Weather in February »Weather in March
March, the first month of the spring in Sasayama, is a cool month, with an average temperature fluctuating between 2.8°C (37°F) and 11.3°C (52.3°F). The start of March brings a subtle rise in the average high-temperature, moving from a frosty 7.4°C (45.3°F) in February to a fresh 11.3°C (52.3°F). Weather in March »Weather in April
April is an enjoyable spring month in Sasayama, Japan, with an average temperature varying between 7°C (44.6°F) and 16.4°C (61.5°F). In April, the average high-temperature increases from a fresh 11.3°C (52.3°F) in March to a comfortable 16.4°C (61.5°F). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Sasayama, Japan, with an average temperature varying between 22.2°C (72°F) and 12.2°C (54°F). A rise in the average high-temperature is observed during May, moving from a comfortable 16.4°C (61.5°F) in April to an agreeable 22.2°C (72°F). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Sasayama, Japan, with an average temperature varying between 25.3°C (77.5°F) and 16.8°C (62.2°F). A slight uplift of average high-temperatures is noted in June, with temperatures adjusting from a pleasant 22.2°C (72°F) in May to a moderately hot 25.3°C (77.5°F). Weather in June »Weather in July
July, like June, in Sasayama, Japan, is another warm summer month, with temperature in the range of an average low of 21.4°C (70.5°F) and an average high of 28.8°C (83.8°F). July witnesses a subtle temperature ascent, adjusting from 25.3°C (77.5°F) in June to a still moderately hot 28.8°C (83.8°F). Weather in July »Weather in August
August, the last month of the summer in Sasayama, is a hot month, with an average temperature fluctuating between 22.4°C (72.3°F) and 30.7°C (87.3°F). August is the month that records the highest temperatures, with averages ranging from a high of 30.7°C (87.3°F) to a low of 22.4°C (72.3°F). During August, the heat index is appraised at a blisteringly hot 40°C (104°F). Weather in August »Weather in September
September, the first month of the autumn in Sasayama, is still a warm month, with an average temperature ranging between max 26°C (78.8°F) and min 18.2°C (64.8°F). The beginning of September subtly marks a decrease in the average high-temperature, transitioning from a tropical 30.7°C (87.3°F) in August to a warm 26°C (78.8°F). Weather in September »Weather in October
October, the same as September, in Sasayama, Japan, is an agreeable autumn month, with temperature in the range of an average low of 12.9°C (55.2°F) and an average high of 20.3°C (68.5°F). Sasayama, Japan, observes a minor decrease in the average high-temperature with the arrival of October, falling from September's moderately hot 26°C (78.8°F) to an agreeable 20.3°C (68.5°F). Weather in October »Weather in November
The last month of the autumn, November, is another refreshing month in Sasayama, Japan, with an average temperature fluctuating between 7.6°C (45.7°F) and 14.6°C (58.3°F). The average high-temperature decreases in November, shifting from an agreeable 20.3°C (68.5°F) in October to a refreshing 14.6°C (58.3°F). Weather in November »Weather in December
December, the first month of the winter in Sasayama, is also a frosty month, with an average temperature varying between 8.6°C (47.5°F) and 2.6°C (36.7°F). With December's arrival, Sasayama sees a decrease in average high-temperatures, moving from a moderate 14.6°C (58.3°F) in November to a chilly 8.6°C (47.5°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Sasayama, Japan
The warmest month (with the highest average high temperature) is August (30.7°C).
The month with the lowest average high temperature is January (6.4°C).
The month with the highest average low temperature is August (22.4°C).
The coldest month (with the lowest average low temperature) is January (0.3°C).
Average pressure
Sasayama, Japan
- Average pressure in January:
1019.8mbar - Average pressure in February:
1020mbar - Average pressure in March:
1017.7mbar - Average pressure in April:
1015.1mbar - Average pressure in May:
1012.2mbar - Average pressure in June:
1008.7mbar
- Average pressure in July:
1009.1mbar - Average pressure in August:
1009.5mbar - Average pressure in September:
1012.8mbar - Average pressure in October:
1017mbar - Average pressure in November:
1019.7mbar - Average pressure in December:
1019.5mbar
The month with the highest atmospheric pressure is February (1020mbar).
The month with the lowest atmospheric pressure is June (1008.7mbar).
Average wind speed
Sasayama, Japan
- Average wind speed in January:
9.2km/h - Average wind speed in February:
8.9km/h - Average wind speed in March:
9.8km/h - Average wind speed in April:
9.3km/h - Average wind speed in May:
8.2km/h - Average wind speed in June:
7.5km/h
- Average wind speed in July:
7.9km/h - Average wind speed in August:
7.7km/h - Average wind speed in September:
8.1km/h - Average wind speed in October:
9.1km/h - Average wind speed in November:
7.9km/h - Average wind speed in December:
8.8km/h
The windiest month (with the highest average wind speed) is March (9.8km/h).
The calmest month (with the lowest average wind speed) is June (7.5km/h).
Average humidity
Sasayama, Japan
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is May (75%).
Average rainfall
Sasayama, Japan
The wettest month (with the highest rainfall) is July (88mm).
The driest months (with the least rainfall) are January and November (9mm).
Average rainfall days
Sasayama, Japan
- Average rainfall days in January:
6.2 days - Average rainfall days in February:
7.5 days - Average rainfall days in March:
9.5 days - Average rainfall days in April:
10.2 days - Average rainfall days in May:
9.6 days - Average rainfall days in June:
15.6 days
- Average rainfall days in July:
19.4 days - Average rainfall days in August:
16 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
10.4 days - Average rainfall days in November:
6.6 days - Average rainfall days in December:
7.9 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is January (6.2 days).
Average snowfall
Sasayama, Japan
The month with the highest snowfall is February (10mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days
Sasayama, Japan
- Average snowfall days in January:
3 days - Average snowfall days in February:
3.1 days - Average snowfall days in March:
0.8 days - Average snowfall days in April:
0.1 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
1.5 days
The month with the highest number of snowfall days is February (3.1 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Sasayama, Japan
- Average daylight in January:
10h and 6min - Average daylight in February:
10h and 54min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 30min
- Average daylight in July:
14h and 18min - Average daylight in August:
13h and 30min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 18min - Average daylight in December:
9h and 48min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January:
4h and 24min - Average sunshine in February:
4h and 18min - Average sunshine in March:
6h and 48min - Average sunshine in April:
8h and 30min - Average sunshine in May:
9h and 18min - Average sunshine in June:
8h and 36min
- Average sunshine in July:
8h and 36min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 30min - Average sunshine in October:
6h and 6min - Average sunshine in November:
5h and 42min - Average sunshine in December:
4h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days
Sasayama, Japan
- Average sunshine days in January:
21.6 days - Average sunshine days in February:
18.3 days - Average sunshine days in March:
18.6 days - Average sunshine days in April:
17.8 days - Average sunshine days in May:
19.3 days - Average sunshine days in June:
11.7 days
- Average sunshine days in July:
9.2 days - Average sunshine days in August:
12.4 days - Average sunshine days in September:
15.3 days - Average sunshine days in October:
19.2 days - Average sunshine days in November:
21.2 days - Average sunshine days in December:
20.9 days
The month with the most sunshine days is January (21.6 days).
The month with the least sunshine days is July (9.2 days).
Average UV index
Sasayama, Japan
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover
Sasayama, Japan
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility
Sasayama, Japan
The months with the highest visibility are January, February, March, April, May, October, November and December (9km).
The months with the lowest visibility are June, July, August and September (8km).





